
6. 4 Heating circuit (secondary circuit) ............................................................................... 60
■ Ball valve with filter (G 1¼) ..................................................................................... 60
■ Hydraulic connection set ......................................................................................... 61
■ Floorstanding installation connection set ................................................................ 61
■ Wall mounting connection set ................................................................................. 61
6. 5 Vitocal 222-A: Hydraulic connection accessories ....................................................... 61
■ 3-way diverter valve ................................................................................................ 61
■ Instantaneous heating water heater ........................................................................ 62
■ Heating circuit hydraulic connection set for surface mounting, for upward connec-
tion .......................................................................................................................... 62
■ Heating circuit hydraulic connection set for surface mounting, for connection to
left or right ............................................................................................................... 62
■ Installation kit with mixer ......................................................................................... 62
6. 6 Divicon heating circuit distributor ................................................................................ 63
■ Design and function ................................................................................................ 63
■ Circulation pump curves and pressure drop on the heating water side .................. 65
■ Bypass valve ........................................................................................................... 66
■ Wall mounting bracket for individual Divicon .......................................................... 67
■ Manifold .................................................................................................................. 67
■ Wall mounting bracket for manifold ......................................................................... 69
6. 7 DHW heating accessories, general ............................................................................ 69
■ Safety assembly to DIN 1988 ................................................................................. 69
6. 8 Accessories for DHW heating with integral DHW cylinder .......................................... 69
■ Impressed current anode ........................................................................................ 69
6. 9 Accessories for DHW heating with Vitocell 100-V, type CVWA (300 l/390 l/500 l)
and Vitocell 100-W, type CVWA (300 l) ...................................................................... 69
■ Vitocell 100-V, type CVWA and Vitocell 100-W, type CVWA .................................. 69
■ Immersion heater EHE ............................................................................................ 74
■ Immersion heater EHE ............................................................................................ 75
■ Solar heat exchanger set ........................................................................................ 75
■ Impressed current anode ........................................................................................ 76
6.10 Accessories for DHW heating with Vitocell 100-V, type CVAA (300 l) and
Vitocell 100-W, type CVAA (300 l) .............................................................................. 76
■ Vitocell 100-V, type CVA/CVAA .............................................................................. 76
■ EHE Immersion heater ............................................................................................ 81
■ Impressed current anode ........................................................................................ 81
6.11 Accessories for DHW heating with Vitocell 100-B, type CVBB (300 l) and
Vitocell 100-W, type CVBB (300 l) .............................................................................. 82
■ Vitocell 100-B, type CVBB and Vitocell 100-W, type CVBB .................................... 82
■ EHE Immersion heater ............................................................................................ 89
■ Impressed current anode ........................................................................................ 89
6.12 Solar accessories ....................................................................................................... 90
■ Solar heat exchanger set (Divicon) ......................................................................... 90
■ Solar Divicon, type PS10 ........................................................................................ 91
■ High limit safety cut-out for solar thermal system ................................................... 92
■ Heat transfer medium "Tyfocor LS" ......................................................................... 92
■ Fill station ................................................................................................................ 92
6.13 Cooling accessories: Only for types AWO(-M)-E-AC and AWOT(-M)-E-AC .............. 93
■ Contact humidistat 230 V ........................................................................................ 93
■ Frost stat ................................................................................................................. 93
■ High efficiency circulation pump Wilo Yonos PICO plus 30/1-6 .............................. 93
■ 3-way diverter valve ................................................................................................ 94
■ Contact temperature sensor ................................................................................... 95
■ Room temperature sensor for separate cooling circuit ........................................... 95
6.14 Brackets for outdoor unit ............................................................................................. 96
■ Support for floorstanding installation ....................................................................... 96
■ Bracket set for wall mounting of the outdoor unit .................................................... 96
6.15 Miscellaneous ............................................................................................................. 97
■ Condensate pan drainage set ................................................................................. 97
■ Ribbon heater ......................................................................................................... 97
■ Ribbon heater ......................................................................................................... 97
■ Carrying handles for outdoor unit ............................................................................ 98
■ Cap set .................................................................................................................... 98
■ Special cleaner ....................................................................................................... 98
■ Platform for unfinished floors .................................................................................. 98
■ Tundish set ............................................................................................................. 98
7. Design information 7. 1 Power supply and tariffs ............................................................................................. 98
■ Application procedure ............................................................................................. 98
7. 2 Siting the outdoor unit ................................................................................................. 99
■ Requirements of the installation location ................................................................ 99
Index (cont.)
VITOCAL VIESMANN 3
5831388